SearchAsk us anythingarrow rightWhat is a RP backflow device?A low pressure area device (RPZD, RPZ or RPZ) is a type of load flow prevention device used to protect the supply of contaminated water.Let's Get It Fixed!Our virtual experts can diagnose your issue (for free!) and resolve simple problems.Chat with a live expertChat nowCall 1 (855) 466-3948Call nowRATESHARECopy linkTwitterFacebookmagnifying glassLink copied to clipboard.SUBMIT AN ANSWERShop Recommended ProductsShop HomeX Recommended ProductsRELATED QUESTIONSWhat is a DCVA backflow?A DCVA is a mechanical anticoagulator consisting of two independent spring retention valves. It includes closing valves at each end of the set and is equipped with test cocks.Where is a backflow device located?Often, the backflow devices of the irrigation system will be placed in a black or green box or may be near the water meter.What is a Baso valve?Baso safety valves provide 100 shutdowns from the pilot's power supply and main gas in case of pilot or thermocouple failure (temperature sensor). They are simple, reliable, easy to install and are approved AGA and CGA.What is a DCVA backflow preventer?There is a mechanical backflow preventer called a DCVA.What is a DCDA backflow?The dual control mounting detector (DCDA) is a double growth control valve and is mainly used in line fire systems. It consists of two control valves loaded with arc, a water bypass and a double control valve, and two OS Y door closure valves.